package com.hang.config;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.hang.pojo.MailConstants;
import com.hang.pojo.MailLog;
import com.hang.service.IMailLogService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.domain.PageRequest;


/**
 * @USER: zzh-
 * @DATE: 2022/4/28
 * @TIME: 11:56
 */
@Configuration
public class RabbitMQConfig {

    private static final Logger LOGGER = LoggerFactory.getLogger(RabbitMQConfig.class);

    @Autowired
    private CachingConnectionFactory cachingConnectionFactory;

    @Autowired
    private IMailLogService mailLogService;

    @Bean
    public RabbitTemplate rabbitTemplate() {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(cachingConnectionFactory);
        /**
         * 消息确认回调,确认消息是否到达broker
         * data:消息唯一标识
         * ack:确认结果
         * cause:失败原因
         */
        rabbitTemplate.setConfirmCallback((data,ack,cause)->{
            String msgId = data.getId();
            if (ack) {
                LOGGER.info("{}=====>消息发送成功", msgId);
                mailLogService.update(new UpdateWrapper<MailLog>().set("status", 1).eq("msgId", msgId));
            } else {
                LOGGER.error("{}=====>消息发送失败", msgId);
            }
        });

        /**
         * 消息失败回调,比如router不到queue时回调
         * msg:消息主题
         * repCode:响应码
         * repText:相应描述
         * exchange:交换机
         * reoutingkey:路由键
         */
        rabbitTemplate.setReturnCallback((msg,repCode,repText,exchange,routingkey)->{
            LOGGER.error("{}=====>消息发送到queue时失败",msg.getBody());
        });


        return rabbitTemplate;
    }



    @Bean
    public Queue queue() {
        return new Queue(MailConstants.MAIL_QUEUE_NAME);
    }

    @Bean
    public DirectExchange directExchange() {
        return new DirectExchange(MailConstants.MAIL_EXCHANGE_NAME);
    }

    @Bean
    public Binding binding() {
        return BindingBuilder.bind(queue()).to(directExchange()).with(MailConstants.MAIL_ROUTING_KEY_NAME);
    }

}
